.item1, .item2, .item3 {
    position: absolute;
    background-color: transparent;
    left: calc(50% - (var(--size) / 2));
    top: calc(50% - (var(--size) / 2));
    height: var(--size);
    width: var(--size);
    border-radius: 50%;
}

.text {
    --size: 111px;
    position: absolute;
    left: calc(50% - (var(--size) / 2));
    top: calc(50% + (var(--size) / 2));
    font-size: 1rem;
    font-weight: bold;
    color: #3d3a4e;
}

.loader .item1 {
    --size: 90px;
    animation: size1_1 2.5s infinite alternate;
    z-index: 1;
}

.loader .item2 {
    --size: 60px;
    animation: size1_2 2.5s infinite alternate;
    z-index: 2;
}

.loader .item3 {
    --size: 30px;
    animation: size1_3 2.5s infinite alternate;
    z-index: 3;
}

@keyframes size1_1 {
    0%,
    10% {
        transform: scale(0);
    }

    100% {
        transform: scale(1);
        box-shadow: 8px 8px 14px #c5c5c5, -8px -8px 14px #ffffff;
    }
}

@keyframes size1_2 {
    0%,
    40% {
        transform: scale(0);
    }

    100% {
        transform: scale(1);
        box-shadow: 8px 8px 14px #c5c5c5, -8px -8px 14px #ffffff;
    }
}

@keyframes size1_3 {
    0%,
    70% {
        transform: scale(0);
    }

    100% {
        transform: scale(1);
        box-shadow: 8px 8px 14px #c5c5c5, -8px -8px 14px #ffffff;
    }
}